The movable type was invented around AD 1040 in China during the Song Dinasty. It was a way of printing in which movable elements were used to reproduce documents, usually on paper. It had a great influence on learning if we consider that paper books could be printed and spread to different places
So, first, they needed to figure out what their new country was going to be and who was going to lead it because they didn't want a monarchy or a king. They pretty much knew they wanted George Washington to lead the country but they were unsure about what type of govt the wanted.